| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of attaining a three-dimensional and highly realistic acoustic environment. SOLUTION: The game machine 1 has a case body 60 in which a front face door 2 opens and closes. The front face door 2 has a pair of front face upper speakers 9FL, 9FR and three front face lower speakers 9SL, 9SC, 9SR. The pair of front face upper speakers 9FL, 9FR are arranged in the upper portion of the front face door 2 and are spaced apart from each other. The front face lower speakers 9SL, 9SC, 9SR are arranged in the lower portion of the front face door 2. One end portion of the case body 60 is secured to both wings in the upper portion of the case body 60 and has a pair of slide rails 90, 90 for arranging a pair of rear face upper speakers 9RL, 9RR on the other end portion. The pair of rear face speakers 9RL, 9RR are operated to be moved so as to be able to move forward and rearward. The three-dimensional and highly realistic acoustic environment similar to 5.1ch surround can be attained by moving the pair of rear face upper speakers 9RL, 9RR behind the head portion of the player. COPYRIGHT: (C)2009,JPO&INPIT
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